<template>
  <view class="cart-container"  v-if="cart.length !== 0">
    <my-address></my-address>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
        <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
        <text class="cart-title-text">购物车</text>
         </view>    
          <!-- 商品列表区域 -->  
     <uni-swipe-action>
       <block v-for="(goods, i) in cart" :key="i">     
         <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
        <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
         </uni-swipe-action-item>
       </block>
     </uni-swipe-action> 
     //结算区域
      <my-settle></my-settle>
  </view>
      <!-- 空白购物车区域 -->
      <view class="empty-cart" v-else>
        <image src="/static/logo.png" class="empty-img"></image>
        <text class="tip-text">空空如也~</text>
      </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  
  import { mapState,mapMutations } from 'vuex'
  export default {
     // 将 badgeMix 混入到当前的页面中进行使用
      mixins: [badgeMix],
   data() {
     return {
       options: [{
         text: '删除', // 显示的文本内容
         style: {
           backgroundColor: '#C00000' // 按钮的背景颜色
         }
       }]
     }
   },
    methods:{
      ...mapMutations('m_cart', ['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e){
        // console.log(e)
        this.updateGoodsState(e)
      },
      numberChangeHandler(e){
         this.updateGoodsCount(e)
      },
      swipeActionClickHandler(goods){
         this.removeGoodsById(goods.goods_id)
      }
    },
    computed:{
      ...mapState('m_cart',['cart'])
    }
    
  }
</script>
    
<style lang="scss">
  .cart-container {
    padding-bottom: 50px;
  }
    .cart-title {
      height: 40px;
      display: flex;
      align-items: center;
      font-size: 14px;
      padding-left: 5px;
      border-bottom: 1px solid #efefef;
      .cart-title-text {
        margin-left: 10px;
      }
    }
    .empty-cart {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding-top: 150px;
    
      .empty-img {
        width: 90px;
        height: 90px;
      }
    
      .tip-text {
        font-size: 12px;
        color: gray;
        margin-top: 15px;
      }
    }
</style>
